Buscadores
CORE (COnnecting REpositories) is a service provided by the Knowledge Media Institute based at The Open University, United Kingdom. The goal of the project is to aggregate all open access content distributed across different systems, such as repositories and open access journals, enrich this content using text mining and data mining, and provide free access to it through a set of services.
Date of verification: 11/02/2022
Chinese language search engine based in Beijing, China, founded in late 1999 by Robin Li and Eric Xu. Its design is similar to that of Google and includes the possibility of searching for news, images and songs, among other functions. According to ranking, Baidu is the fourth most visited site on Internet.
Date of verification: 17/01/2022
Search engine for scholarly publications, developed by the Allen Institute for Artificial Intelligence and launched to the public in November 2015. It uses recent advances in natural language processing to provide summaries of scholarly articles. Compared to Google Scholar and PubMed, Semantic Scholar is designed to highlight the most important and influential articles and identify the connections between them.
Date of verification: 10/03/2021
Academic search engine that allows browsing through areas of knowledge, as well as finding lists of authors, journals and conferences. The service replaces Microsoft's search project called Microsoft Academic Search, which stopped working in 2012. Under its new name it was launched in 2016, using new semantic search technologies. It contains an index for more than 220 million publications, 88 million of which are scientific journal articles. Some bibliometric reviews suggest that it is a significant competitor to Google Scholar, Web of Science, and Scopus.
Date of verification: 29/01/2021
Federated search engine that provides free, federated public searches of a large number of databases. Provided by Deep Web Technologies, which is a software company that specializes in mining the part of the internet that cannot be directly searched through common web search engines. It is owned by the British technology company AMPLYFI Ltd.
Date of verification: 29/01/2021
JURN works with a Google Custom Search Engine (CSE) to find and download free full-text scholarly works. Established in 2009 and expanded in 2014 with indexing of science, biomedicine, business and economics topics, in addition to selected university deposit services for open access deposit documents and full-text thesis. It has a web link through the Central Library of the European Commission, Jesus College, University of Cambridge, University of California, and the Library of Princeton University.
Date of verification: 03/09/2020
Provides comprehensive multilingual search and real-time translation of databases around the world. It belongs to a multilateral association, made up of participating member countries, and provides the governance structure for WorldWideScience.org. It was developed and maintained by the Office of Scientific and Technical Information (OSTI), an element of the Office of Science within the US Department of Energy.
Date of verification: 18/04/2020
High performance academic search engine backed by Pluto's original algorithm optimized for academic research. And it's free. It has an algorithm designed to provide the best search results for academic papers based on publication date, citations, editor and many more. Use and support semantic search similar to Google.
Verification date: 06/10/2019
RefSeek is a web search engine for students and researchers that aims to make academic information easily accessible to everyone. RefSeek searches more than five billion documents, including websites, books, encyclopedias, magazines and newspapers. RefSeek's unique approach offers students comprehensive subject coverage without information overload from a general search engine, which increases the visibility of academic information and compelling ideas that are often lost in a confusion of sponsored links. and commercial results.
Date of verification: 09/09/2019
Popular Google search engine focused and specialized in the search of content and scientific-academic literature. The site indexes publishers, libraries, repositories, bibliographic databases, among others; and among its results you can find citations, links to books, articles from scientific journals, communications and congresses, scientific-technical reports, theses, dissertations and files deposited in repositories. It also allows you to set up an author profile and follow up on the citations of published works. The search engine checks who quotes the jobs published by that author, and generates quotation graphs in their profile.
Date of inclusion: 03/12/2017
Product of International Information Services, a multinational publishing company dedicated to the rapid distribution of academic content. Provides free access to academic content from Latin American and Caribbean peer-reviewed publications. It contains a wide variety of specific topics such as: finance, literature, environment, history, languages, and culture.
Date of verification: 28/11/2017
Bielefeld Academic Search Engine (BASE) 
Search engine that provides more than 100 million documents from more than 5,000 sources with an OAI interface and uses OAI-PMH (Open Archive Initiative - Protocol for Metadata Harvesting). You can access the full texts of approximately 60% of the documents indexed for free (Open Access). It is operated by the Library of the University of Bielefeld, Germany.
Date of verification: 16/11/2017
Search engine of the Library of the University of Oviedo (BUOfind) 
Search engine of the Library of the University of Oviedo (BUO) in which all the bibliographic, documentary and audiovisual collections of the University of Oviedo can be explored and whose specialized staff is in charge of facilitating access to the scientific information necessary for the development of the research, to contribute to the realization of the teaching activity and to favor the practice of the study of the university community.
Date of verification: 10/04/2017
Health Information Locator (LIS Cuba) 
Health information sources locator that are available on the Internet, addressed to users of the National Health System, and which have been selected according to their quality. Its main purpose is to contribute to the visibility and accessibility of health information sources produced in the region, for which content is valued based on quality criteria, described and indexed with a common methodology and with the DeCS terminology (Descriptors in Health Sciences).
Date of inclusion: 2007
